CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 233	$ 239	$ 779	$ 338
Less: Net income attributable to noncontrolling interest	15	19	50	60
Net income attributable to Masco Corporation	218	220	729	278
Other comprehensive (loss) income, net of tax (Note L):
Cumulative translation adjustment	(54)	(20)	(120)	(19)
Interest rate swaps	0	0	0	7
Pension and other post-retirement benefits	1	2	3	365
Other comprehensive (loss) income, net of tax	(53)	(18)	(117)	353
Less: Other comprehensive (loss) attributable to noncontrolling interest	(14)	(5)	(26)	(15)
Other comprehensive (loss) income attributable to Masco Corporation	(39)	(13)	(91)	368
Total comprehensive income	180	221	662	691
Less: Total comprehensive income attributable to noncontrolling interest	1	14	24	45
Total comprehensive income attributable to Masco Corporation	$ 179	$ 207	$ 638	$ 646